Online PHP editor | output for r98mL

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/r98mL:3 Stack trace: #0 /in/r98mL(3): array_filter('is_array', Array) #1 {main} thrown in /in/r98mL on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: array_filter() expects parameter 1 to be array, string given in /in/r98mL on line 3 bool(true) bool(true) string(1) "1" bool(true) string(1) "1"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45: Fatal error: Can't use function return value in write context in /in/r98mL on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/r98mL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/r98mL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/r98mL on line 3
Process exited with code 255.